Switch to standard integer types in base/.

base/metrics/bucket_ranges_unittest.cc

Index: base/metrics/bucket_ranges_unittest.cc
diff --git a/base/metrics/bucket_ranges_unittest.cc b/base/metrics/bucket_ranges_unittest.cc
index fc0699c733792430faaae1dfe4ece1b592ac36d2..481054c5d2872a15f030c82a907e36b40a20262b 100644
--- a/base/metrics/bucket_ranges_unittest.cc
+++ b/base/metrics/bucket_ranges_unittest.cc
@@ -4,6 +4,8 @@
 
 #include "base/metrics/bucket_ranges.h"
 
+#include <stdint.h>
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
@@ -76,9 +78,9 @@ TEST(BucketRangesTest, Checksum) {
 // http://www.w3.org/TR/PNG/#D-CRCAppendix.
 TEST(BucketRangesTest, Crc32TableTest) {
   for (int i = 0; i < 256; ++i) {
-    uint32 checksum = i;
+    uint32_t checksum = i;
     for (int j = 0; j < 8; ++j) {
-      const uint32 kReversedPolynomial = 0xedb88320L;
+      const uint32_t kReversedPolynomial = 0xedb88320L;
       if (checksum & 1)
         checksum = kReversedPolynomial ^ (checksum >> 1);
       else